The Foot-pound reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Foot-pound

In physics, a foot-pound is the U.S. customary unit of mechanical work, or energy, although in scientific fields one commonly uses the equivalent metric unit of the Joule (J). There are approxmately 1.356 J per foot-pound.

To calculate a foot-pound, you can use this formula,

W = F × D

where W is work (in foot-pounds), F is force (in poundss), and D is distance (in feet) over which the force is applied (measured in the direction of the force).

Doing 550 foot-pounds of work on an object in one second is equal to a horsepower, the U.S. customary unit of power.

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